//
// Created by 王书哲 on 25-3-15.
//
#include <stdio.h>
#include <stdlib.h>
#define LIM 30
char * s_gets(char *, int);
int main(void)
{
    char number[LIM];
    char * end;
    long value;
    puts("Enter a number (empty line to quit);");
    while(s_gets(number, LIM) && number[0] != '\0')
    {
        value = strtol(number, &end, 10);
        printf("base 10 input, base 10 output: %ld, stopped at %s (%d)\n", value, end, *end);
        value = strtol(number, &end, 16);
        printf("base 16 input, base 10 output: %ld, stopped at %s (%d)\n", value, end, *end);
        puts("Next number:");
    }
    return 0;
}
char * s_gets(char * st, int n)
{
    char * ret_val;
    int i = 0;
    ret_val = fgets(st, n, stdin);
    if(ret_val)
    {
        while(st[i] != '\n' && st[i] != '\0')
            i++;
        if (st[i] == '\n')
            st[i] = '\0';
        else
            while (getchar() == '\n')
                continue;
    }
}